Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

NXX: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-321 A Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-321 0 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-321 1 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-321 2 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-321 3 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-321 4 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-321 5 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-321 6 Bakersfield: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734   2003-10-19   
661-321 7 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-321 8 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      
661-321 9 Bakersfield: Main DA CA   9740 PACIFIC BELL 734      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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